1. A : Use the chain saw chain grinding fixture to make your chain saw as as new, making your work more time-saving and labor-saving! 2. Easy to use: It is as easy to use as a pencil sharpener, just put the clip on the stick, put the claw on the tooth, insert the burr into the catheter sleeve, and then turn the handle. 3. Precision maintenance: Every time you grind teeth, you only need to pull the chain. Precise sharpening to that every tooth is repaired! 4. The perfect choice: Standard 30 degree sharpened rake angle, anodized aluminum fixture, with detachable crank and a set of guide sleeves. Can be used for all chain saws. 5. Precise positioning: The pawl is used as a stopper to accurate and repeatable tooth positioning. Colour:Red Material:aluminum Size:6 x 3.5 x 2.1cm Package Contents: 1 * hand grinding chain 2 * grinding head Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.